fzus61 kbuf 211402
glflo 
expires:202608212100;;109953

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt fri aug 21 2026

for waters beyond five nautical miles of shore on lake ontario

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...
a 30.1 inch high over southern quebec will slide across new england 
today, then into the canadian maritimes saturday. an elongated 29.7 
inch low will slowly make its way from the central great lakes to 
western quebec saturday and sunday, while pushing its associated 
warm and cold fronts across the lake between saturday night and 
sunday morning. the low will wobble about western quebec through 
monday, then wil eject northeastward into labrador on tuesday while 
a 30.1 inch high builds eastward across the ohio valley.


loz062-212100-
lake ontario open waters from the niagara river to hamlin beach-
1002 am edt fri aug 21 2026

.this afternoon...east winds 10 knots or less. waves 1 foot or
less. 
.tonight...east winds around 10 knots becoming southeast. waves
1 to 2 feet. 
.saturday...southeast winds 5 to 10 knots becoming east. a chance
of showers and thunderstorms in the afternoon. waves 1 foot or
less. 
.saturday night...southeast winds 5 to 10 knots becoming
southwest. showers with a chance of thunderstorms. waves 1 to
2 feet. 
.sunday...west winds 10 to 15 knots increasing to 15 to 20 knots.
showers with a chance of thunderstorms. waves 1 to 3 feet
building to 3 to 5 feet, then subsiding to 2 to 4 feet. 
.monday...west winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of showers. waves 2 to 4 feet. 
.tuesday...west winds 5 to 15 knots becoming southwest. waves
1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 211930
glflh 
expires:202608220330;;124664

open lake forecast for lake huron
national weather service detroit/pontiac mi
330 pm edt fri aug 21 2026

for waters beyond five nautical miles off shore on lake huron

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...a cold front will move across the great lakes tomorrow
morning which will veer wind direction to the northwest. showers
and thunderstorms are expected just ahead of and along the front.
post-frontal northwest flow leads to gusty winds through the day
on sunday.


lhz361>363-220330-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
330 pm edt fri aug 21 2026

.tonight...southeast winds 10 to 15 knots veering to the south
early in the morning. scattered showers in the evening...then
numerous showers after midnight. a chance of waterspouts after
midnight. waves 3 to 5 feet. 
.saturday...south winds 10 to 15 knots becoming southwest 5 to
10 knots in the late morning and early afternoon...then veering
to the west late in the afternoon. numerous showers in the
morning...then numerous showers and a chance of thunderstorms in
the afternoon. a chance of waterspouts. waves 2 to 4 feet
subsiding to 1 to 3 feet in the afternoon. 
.saturday night...northwest winds 15 to 20 knots increasing to
20 to 25 knots after midnight. scattered showers and a chance of
thunderstorms in the evening. waves 4 to 6 feet. 
.sunday...northwest winds 20 to 25 knots with gusts to around
30 knots. a chance of waterspouts in the morning. scattered
showers. waves 6 to 9 feet. waves occasionally around 12 feet. 
.sunday night...northwest winds 20 to 25 knots with gusts to
around 30 knots decreasing to 15 to 20 knots after midnight.
scattered showers. waves 6 to 9 feet. waves occasionally around
12 feet. 
.monday...northwest winds 15 to 20 knots with gusts to around
30 knots decreasing to 10 to 15 knots late in the afternoon.
waves 3 to 5 feet. 
.tuesday...west winds 5 to 10 knots backing to the south . waves
1 to 3 feet. 
.wednesday...south winds 5 to 10 knots increasing to 10 to
15 knots. a chance of showers. waves 1 to 3 feet. 


$$

fzus63 kdtx 211930
glflh 
expires:202608220330;;124665

open lake forecast for lake huron
national weather service detroit/pontiac mi
330 pm edt fri aug 21 2026

for waters beyond five nautical miles off shore on lake huron

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...a cold front will move across the great lakes tomorrow
morning which will veer wind direction to the northwest. showers
and thunderstorms are expected just ahead of and along the front.
post-frontal northwest flow leads to gusty winds through the day
on sunday.


lhz462>464-220330-
lake huron from port austin to harbor beach beyond 5nm off shore-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
330 pm edt fri aug 21 2026

.tonight...southeast winds 10 to 15 knots. scattered showers
after midnight. a chance of waterspouts after midnight. waves
1 to 3 feet building to 2 to 4 feet after midnight. 
.saturday...south winds 10 to 15 knots decreasing to 5 to
10 knots in the late morning and early afternoon...then backing
to the southeast late in the afternoon. numerous showers in the
morning...then showers and a chance of thunderstorms in the
afternoon. a chance of waterspouts. waves 1 to 3 feet. 
.saturday night...north winds 10 to 15 knots becoming northwest
15 to 20 knots in the late evening and overnight. a chance of
waterspouts in the evening. numerous showers and a chance of
thunderstorms in the evening...then scattered showers after
midnight. waves 1 to 3 feet building to 5 to 7 feet in the late
evening and overnight. waves occasionally around 10 feet. 
.sunday...northwest winds 15 to 20 knots increasing to 20 to
25 knots in the late morning and early afternoon...then
decreasing to 15 to 20 knots early in the afternoon. gusts to
30 knots. numerous showers in the morning...then numerous showers
and a chance of thunderstorms in the afternoon. waves 6 to
9 feet. waves occasionally around 12 feet. 
.sunday night...northwest winds 15 to 20 knots. gusts to 30 knots
early in the evening. numerous showers and a chance of
thunderstorms in the evening...then scattered showers after
midnight. waves 6 to 9 feet. waves occasionally around 12 feet. 
.monday...northwest winds 15 to 20 knots decreasing to 5 to
10 knots late in the afternoon. waves 3 to 5 feet subsiding to
1 to 3 feet late in the evening. 
.tuesday...west winds 5 to 10 knots veering to the northeast
early in the evening...then veering to the south by midnight.
waves 2 feet or less. 
.wednesday...southwest winds 5 to 10 knots becoming south 10 to
15 knots . a chance of showers . waves 1 to 3 feet. 


$$